Mollusks

Digestive system- Mollusks have a liquid that contains coelom. It provided space in between the organs. All the mollusks have a soft body, and their name stands for "soft". ~ CHLOE

Nervous system- The nervous system of a mollusk is a pair of cerebral ganglia that innervate the head, mouth and associated sense organs. ~ MORGAN

Body plan- There are three important parts to a mollusk. A visceral mass, a mantle which wraps around the shell, foot and head foot. ~ CHLOE

Picture- ~ CHLOE

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Positive impact on humans- Many serve as food for other organisms such as humans. ~ MORGAN

Negative impact on humans ~ CHLOE

1 interesting fact- In marine ecosystems the mollusk larvae are an important part of zoo-plankton and serve as food for a variety of bigger animals. ~ MORGAN